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https://issues.apache.org/jira/browse/HDFS-13655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Chen updated HDFS-13655:
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Description:
As
[discussed|https://issues.apache.org/jira/browse/HDFS-12858?focusedCommentId=16500975&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16500975|#comment-16500975]
with [~elgoiri], there are some HDFS methods that does not take path as a
parameter. We should support these to work with federation.
The ones missing are:
* Snapshots
* Storage policies
* Encryption zones
* Cache pools
One way to reasonably have them to work with federation is to 'list' each
nameservice and concat the results. This can be done pretty much the same as
{{refreshNodes()}} and it would be a matter of querying all the subclusters and
aggregate the output (e.g., {{getDatanodeReport()}}.)
was:
As discussed with [~elgoiri], there are some HDFS methods that does not take
path as a parameter. We should support these to work with federation.
The ones missing are:
* Snapshots
* Storage policies
* Encryption zones
* Cache pools
One way to reasonably have them to work with federation is to 'list' each
nameservice and concat the results. This can be done pretty much the same as
{{refreshNodes()}} and it would be a matter of querying all the subclusters and
aggregate the output (e.g., {{getDatanodeReport()}}.)
> RBF: Adding missing ClientProtocol methods to RBF
> -------------------------------------------------
>
> Key: HDFS-13655
> URL: https://issues.apache.org/jira/browse/HDFS-13655
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Xiao Chen
> Priority: Major
>
> As
> [discussed|https://issues.apache.org/jira/browse/HDFS-12858?focusedCommentId=16500975&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16500975|#comment-16500975]
> with [~elgoiri], there are some HDFS methods that does not take path as a
> parameter. We should support these to work with federation.
> The ones missing are:
> * Snapshots
> * Storage policies
> * Encryption zones
> * Cache pools
> One way to reasonably have them to work with federation is to 'list' each
> nameservice and concat the results. This can be done pretty much the same as
> {{refreshNodes()}} and it would be a matter of querying all the subclusters
> and aggregate the output (e.g., {{getDatanodeReport()}}.)
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